SLOS877C October   2014  – April 2021 TMP451-Q1

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Characteristics for Figure 1-1
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Temperature Measurement Data
        1. 7.3.1.1 Standard Binary to Decimal Temperature Data Calculation Example
        2. 7.3.1.2 Standard Decimal to Binary Temperature Data Calculation Example
      2. 7.3.2 Series Resistance Cancellation
      3. 7.3.3 Differential Input Capacitance
      4. 7.3.4 Filtering
      5. 7.3.5 Sensor Fault
      6. 7.3.6 ALERT and THERM Functions
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode (SD)
    5. 7.5 Programming
      1. 7.5.1 Serial Interface
        1. 7.5.1.1 Bus Overview
        2. 7.5.1.2 Bus Definitions
        3. 7.5.1.3 Serial Bus Address
        4. 7.5.1.4 Read and Write Operations
        5. 7.5.1.5 Timeout Function
        6. 7.5.1.6 High-Speed Mode
    6. 7.6 Register Map
      1. 7.6.1 Register Information
        1. 7.6.1.1  Pointer Register
        2. 7.6.1.2  Temperature Registers
        3. 7.6.1.3  Status Register
        4. 7.6.1.4  Configuration Register
        5. 7.6.1.5  Conversion Rate Register
        6. 7.6.1.6  One-Shot Start Register
        7. 7.6.1.7  η-Factor Correction Register
        8. 7.6.1.8  Offset Register
        9. 7.6.1.9  General Call Reset
        10. 7.6.1.10 Identification Register
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.6 Register Map

Table 7-4 Register Map
POINTER READ (HEX)POINTER WRITE (HEX)POR (HEX)BIT DESCRIPTIONREGISTER DESCRIPTION
76543210
00N/A00LT11LT10LT9LT8LT7LT6LT5LT4Local temperature (high byte)
01N/A00RT11RT10RT9RT8RT7RT6RT5RT4Remote temperature (high byte)
02N/AN/ABUSYLHIGHLLOWRHIGHRLOWOPENRTHRMLTHRMStatus register
030900MASK1SDALERT/
THERM2		00RANGE00Configuration register
040A080000CR3CR2CR1CR0Conversion rate register
050B55LTHL11LTHL10LTHL9LTHL8LTHL7LTHL6LTHL5LTHL4Local temperature high limit
060C00LTLL11LTLL10LTLL9LTLL8LTLL7LTLL6LTLL5LTLL4Local temperature low limit
070D55RTHL11RTHL10RTHL9RTHL8RTHL7RTHL6RTHL5RTHL4Remote temperature high limit (high byte)
080E00RTLL11RTLL10RTLL9RTLL8RTLL7RTLL6RTLL5RTLL4Remote temperature low limit (high byte)
N/A0FN/AXXXXXXXXOne-shot start(1)
10N/A00RT3RT2RT1RT00000Remote temperature (low byte)
111100RTOS11RTOS10RTOS9RTOS8RTOS7RTOS6RTOS5RTOS4Remote temperature offset (high byte)
121200RTOS3RTOS2RTOS1RTOS00000Remote temperature offset (low byte)
131300RTHL3RTHL2RTHL1RTHL00000Remote temperature high limit (low byte)
141400RTLL3RTLL2RTLL1RTLL00000Remote temperature low limit (low byte)
15N/A00LT3LT2LT1LT00000Local temperature (low byte)
19196ERTH11RTH10RTH9RTH8RTH7RTH6RTH5RTH4Remote temperature THERM limit
20206ELTH11LTH10LTH9LTH8LTH7LTH6LTH5LTH4Local temperature THERM limit
21210AHYS11HYS10HYS9HYS8HYS7HYS6HYS5HYS4THERM hysteresis
222201SMBTO000CONAL2CONAL1CONAL01Consecutive ALERT
232300NC7NC6NC5NC4NC3NC2NC1NC0η-factor correction
242400000000DF1DF0Digital filter control
FEN/A5501010101Manufacturer ID
(1) X = undefined. Writing any value to this register initiates a one-shot start; see the One-Shot Conversion section.